<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category    ZendX
 * @package     ZendX_JQuery
 * @subpackage  View
 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license     http://framework.zend.com/license/new-bsd     New BSD License
 * @version     $Id: ColorPicker.php 20165 2010-01-09 18:57:56Z bkarwin $
 */
/**
 * @see ZendX_JQuery_View_Helper_UiWidget
 */
require_once "ZendX/JQuery/View/Helper/UiWidget.php";
/**
 * jQuery Color Picker View Helper
 *
 * @uses 	   Zend_View_Helper_FormText
 * @package    ZendX_JQuery
 * @subpackage View
 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class ZendX_JQuery_View_Helper_ColorPicker extends ZendX_JQuery_View_Helper_UiWidget
{
    /**
     * Render a Color Picker in an FormText field.
     *
     * @link   http://docs.jquery.com/UI/ColorPicker
     * @param  string $id
     * @param  string $value
     * @param  array  $params
     * @param  array  $attribs
     * @return string
     */
    public function colorPicker ($id, $value = '', array $params = array(), 
    array $attribs = array())
    {
        $attribs = $this->_prepareAttributes($id, $value, $attribs);
        if (strlen($value) >= 6) {
            $params['color'] = $value;
        }
        if (count($params) > 0) {
            $params = ZendX_JQuery::encodeJson($params);
        } else {
            $params = "{}";
        }
        $js = sprintf('%s("#%s").colorpicker(%s);', 
        ZendX_JQuery_View_Helper_JQuery::getJQueryHandler(), $attribs['id'], 
        $params);
        $this->jquery->addOnLoad($js);
        return $this->view->formText($id, $value, $attribs);
    }
}